D27j - 8.Nc3 - QGA: Classical (1997)

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D27j — QGA: Classical (1997)
1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Bb3 Nc6 8.Nc3
Les coups candidats
8…cxd4 — 43.5% (536 parties)
Ambassadeurs : Chukanov, Igor Anatolievich (13x), Stevic, Hrvoje (13x), Anand, Viswanathan (7x), Herzog, Klaus (6x), Bacrot, Etienne (6x), Illescas Cordoba, Miguel (5x), Korchut, Adam (5x), Vorobiov, Evgeny E. (5x)
8…Be7 — 34.5% (425 parties)
Ambassadeurs : Guliyev, Namig (12x), Tkachiev, Vladislav (7x), Domingo, Jordi (6x), Vaulin, Alexander P. (4x), Gershon, Alik (4x), Sorokin, Maxim (4x), Vorobiov, Evgeny E. (4x), Iljushin, Alexei (3x)
8…b5 — 14.8% (183 parties)
Ambassadeurs : Mikhalchishin, Adrian (4x), Vorobiov, Evgeny E. (4x), Tkachiev, Vladislav (2x), Gaprindashvili, Nona (2x), Lazarev, Vladimir (2x), Tasic, Vladimir (2x), Weber, Karlheinz (2x), Zenyuk, Iryna (2x)
8…Qc7 — 5.8% (71 parties)
Ambassadeurs : Frostick, Clive A (4x), Donchenko, Alexander (4x), Karpatchev, Aleksandr (3x), Boinowitz, Tammo (1x), Schlaeger, Uwe, Dr. (1x), Craig, Tom James (1x), Koerholz, Ludger (1x), Izcak, Gyula (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…cxd4 8…Be7 8…b5 8…Qc7
<1800 36 50% 28% 17% —
1800-2200 360 50% 29% 14% 5%
2200-2600 718 40% 37% 15% 6%
2600+ 55 42% 36% 16% 5%
Évolution par décennie (% des parties)
Décennie N parties 8…cxd4 8…Be7 8…b5 8…Qc7
1980s 2 50% — — 50%
1990s 146 33% 47% 14% 6%
2000s 523 48% 29% 15% 6%
2010s 491 42% 36% 14% 5%
2020s 71 44% 34% 20% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…cxd4 42% 44% ▲ +1.7%
8…Be7 36% 34% ▼ -2.4%
8…b5 14% 20% ▲ +5.5%
8…Qc7 5% 3% ▼ -2.5%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 8 parties
Karpov, Anatoly — 5 parties
Kasparov, Garry — 4 parties
Kramnik, Vladimir — 3 parties
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
8…cxd4 — 43.5% (536 parties)
1987 — Panczyk, Krzysztof vs Szymczak, Zbigniew — 1/2-1/2 — Jachranka
1994 — Andersen, Jackie vs Royset, Pal — 1-0 — Logumkloster DEN
1996 — Volzhin, Alexander vs Andrason, Karl Oddur — 0-1 — ?
1997 — Alexander, Paco vs Magem Badals, Jordi — 0-1 — Corsica Rapid Bastia FRA
1997 — Illescas Cordoba, Miguel vs Anand, Viswanathan — 1/2-1/2 — ?
8…Be7 — 34.5% (425 parties)
1990 — Obukhov, Alexander vs Meister, Jakob — 1/2-1/2 — Chelyabinsk RUS
1991 — Pribyl, Martin vs Dueckstein, Andreas — 0-1 — Schellenberg op
1993 — Seul, Georg vs Roos, Thomas — 1-0 — Bonn
1994 — Petrosian, Arshak B vs Suetin, Alexey S — 1-0 — Yerevan Petrosian me
1994 — Piskov, Yury vs Relange, Eloi — 1-0 — Cappelle la Grande FRA
8…b5 — 14.8% (183 parties)
1996 — Tunik, Gennady vs Ibragimov, Ildar — 1/2-1/2 — Moscow RUS
1997 — Karpov, Anatoly vs Anand, Viswanathan — 1/2-1/2 — Monte Carlo MNC
1997 — Hjartarson, Johann vs Ross, David — 1-0 — Winnipeg open
1997 — Tregubov, Pavel V. vs Tkachiev, Vladislav — 1-0 — Corsica Rapid Bastia FRA
1997 — Gaprindashvili, Nona vs Mikhalchishin, Adrian — 1/2-1/2 — Bled,SLO op18
8…Qc7 — 5.8% (71 parties)
1988 — Boinowitz, Tammo vs Schlaeger, Uwe, Dr. — 1-0 — RLNS 8788
1996 — Alvarez Ibarra, Rafael vs Baron Rodriguez, Jesus — 1/2-1/2 — Oropesa del Mar TchB-ESP
1997 — Craig, Tom James vs Frostick, Clive A — 1/2-1/2 — Jiri Pelikan Memorial B
1998 — Koerholz, Ludger vs Izcak, Gyula — 1/2-1/2 — GER
1999 — Cimmino, Pietro vs Valerio, Giuseppe — 1/2-1/2 — ICCF